<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>To->MyGirl</title>
    <!-- <embed src="123.mp3" hidden="true" autostart="true" loop="true"> -->
    <!--  -->
    <meta name="Generator" content="EditPlus">
    <meta name="Author" content="">
    <meta name="Keywords" content="">
    <meta name="Description" content="">
</head>
<body>


<div id="demo" style="width:520px; height:50%; float: left">
    <canvas id="c" height="500" width="50%">
    </canvas>
<button id="rose" onclick="clear_canvas()" hidden></button>
</div>
<script>
    var b = document.body;
    var c = document.getElementsByTagName('canvas')[0];
    var a = c.getContext('2d');
    var canvas = document.getElementsByTagName('canvas')[0];
    var ctx = canvas.getContext('2d');
    document.body.clientWidth;
    with(m=Math)C=cos,S=sin,P=pow,R=random;
    c.width=c.height=f=500;h=-250;
    function p(a,b,c){
        if(c>60)
            return[S(a*7)*(13+5/(.2+P(b*4,4)))-S(b)*50,b*f+50,625+C(a*7)*(13+5/(.2+P(b*4,4)))+b*400,a*1-b/2,a];
        A=a*2-1;
        B=b*2-1;
        if(A*A+B*B<1)
        {
            if(c>37)
            {
                n=(j=c&1)?6:4;o=.5/(a+.01)+C(b*125)*3-a*300;
                w=b*h;
                return[o*C(n)+w*S(n)+j*610-390,o*S(n)-w*C(n)+550-j*350,1180+C(B+A)*99-j*300,.4-a*.1+P(1-B*B,-h*6)*.15-a*b*.4+C(a+b)/5+P(C((o*(a+1)+(B>0?w:-w))/25),30)*.1*(1-B*B),o/1e3+.7-o*w*3e-6]
            }
            if(c>32)
            {
                c=c*1.16-.15;o=a*45-20;w=b*b*h;z=o*S(c)+w*C(c)+620;
                return[o*C(c)-w*S(c),28+C(B*.5)*99-b*b*b*60-z/2-h,z,(b*b*.3+P((1-(A*A)),7)*.15+.3)*b,b*.7]
            }
            o=A*(2-b)*(80-c*2);
            w=99-C(A)*120-C(b)*(-h-c*4.9)+C(P(1-b,7))*50+c*2;z=o*S(c)+w*C(c)+700;
            return[o*C(c)-w*S(c),B*99-C(P(b, 7))*50-c/3-z/1.35+450,z,(1-b/1.2)*.9+a*.1, P((1-b),20)/4+.05]
        }
    }
    var draw = setInterval('for(i=0;i<100000;i++)if(s=p(R(),R(),i%46/.74)){z=s[2];x=~~(s[0]*f/z-h);y=~~(s[1]*f/z-h);if(!m[q=y*f+x]|m[q]>z)m[q]=z,a.fillStyle="rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}',0);
    var demo = document.getElementById('demo');
    function redraw(){
        /*
        var d_c = document.createElement("canvas");
        d_c.setAttribute("id","c");
        d_c.setAttribute("width","520");
        d_c.setAttribute("height","500");
        demo.appendChild(d_c);
        */
        draw = setInterval('for(i=0;i<100000;i++)if(s=p(R(),R(),i%46/.74)){z=s[2];x=~~(s[0]*f/z-h);y=~~(s[1]*f/z-h);if(!m[q=y*f+x]|m[q]>z)m[q]=z,a.fillStyle="rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}',0);
        //alert(d_c);
    }
    function clear_canvas()
    {
        ctx.clearRect(0,0,520,500);
        //canvas.parentNode.removeChild(canvas);  //删除
    }
    function stop_draw(obj){
        clear_canvas(obj);
    }
    // window.onload = function(){
    //     document.getElementById('rose').click();
    // }
</script>

<div style="width:50%; float: right">
    <br><br><br>
    <div class="login-title">
        <a href="/index">返回</a> &nbsp;给我们留言：
    </div>
    <form action="/email">
        <input name="msg" type="textarea" value="反馈内容" size="255"
               onmouseover=this.focus();this.select();
               onclick="if(value==defaultValue){value='';this.style.color='#000'}"
               onBlur="if(!value){value=defaultValue;this.style.color='#999'}"
               style="color: #999;
                 row-gap: initial;
                 height:400px;
                 width:400px;
                 vertical-align:text-top"
        />
        <input type="submit"  value="提交" class="login-submit"/>
    </form>
</div>
</body>
</html>
